Fixed-length feeding device for cold header

Abstract

The utility model relates to the technical field of cold heading machining, in particular to a fixed-length feeding device for a cold header. The technical problems that a common cold header feeding device lacks an adjustable fixed-length feeding structure, so that fixed-length conveying of raw materials is not convenient to achieve, and the use flexibility and the working efficiency need to be improved are solved. According to the technical scheme, the fixed-length feeding device for the cold header comprises a bottom plate. By means of the clamping and conveying assembly and the limiting and length-fixing assembly, the length can be preset according to actual machining requirements, fixed-length feeding is achieved, using flexibility and working efficiency are improved, and the problems that a common cold header feeding device is short of an adjustable fixed-length feeding structure, fixed-length conveying of raw materials is inconvenient to achieve, and production cost is low are solved. And the use flexibility and the working efficiency need to be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cold heading processing, in particular to a fixed-length feeding device for a cold heading machine. Background Art

[0002] Cold heading machines generally use coil materials and straight bar materials, and utilize the principle of secondary upset forging to produce various bolts and mechanical parts with round heads, countersunk heads, semi-countersunk heads, internal hexagons and other non-standard head shapes. This equipment is easy to operate and the process is simple. During processing, a feeding device is required to cooperate to achieve continuous feeding of the cold heading machine.

[0003] Common cold heading machine feeding devices lack an adjustable fixed-length feeding structure, resulting in inconvenience in realizing fixed-length conveying of raw materials, and problems that the flexibility and working efficiency of use need to be improved.

[0004] Therefore, aiming at the problem that the common cold heading machine feeding device lacks an adjustable fixed-length feeding structure, is not convenient for realizing fixed-length conveying of raw materials, and the flexibility and working efficiency of use need to be improved, it is urgently needed to be solved to improve the use scenario. Summary of the Utility Model

[0005] In order to overcome the problem that common cold heading machine feeding devices lack an adjustable fixed-length feeding structure, resulting in the flexibility and working efficiency of use needing to be improved.

[0006] The technical solution of the utility model is: a fixed-length feeding device for a cold heading machine, which includes a bottom plate, an installation frame is installed on the top of the bottom plate, through holes are penetrated through the middle positions of the left and right ends of the installation frame, a pinch feeding component is connected inside the upper end of the installation frame, a connection frame is arranged on the front side of the upper end of the installation frame, a limit fixed-length component is movably connected in the middle of the connection frame, and a cutting component is installed on the right side of the installation frame near the through hole.

[0007] Preferably, by setting the pinch feeding component and the limit fixed-length component, the length can be preset according to actual processing needs to achieve fixed-length feeding, improving the flexibility and working efficiency of use, so as to solve the problem that common cold heading machine feeding devices lack an adjustable fixed-length feeding structure, resulting in inconvenience in realizing fixed-length conveying of raw materials, and the flexibility and working efficiency of use need to be improved.

[0008] As a preference, the pinch feeding component includes a driving motor and a lead screw; a driving motor is installed on the left side of the upper end of the installation frame, the right end of the driving motor is connected with a lead screw, and the right end of the lead screw is connected with the right end inside the installation frame through a bearing.

[0009] Preferably, the pinch feed assembly includes a movable block, a first threaded sleeve, and a pneumatic gripper; a movable block is slidably connected inside the upper end of the mounting frame, a first threaded sleeve is installed at the middle position of the movable block, the lead screw is in transmission connection with the first threaded sleeve, and a pneumatic gripper is installed at the bottom of the movable block. Pass the raw material through the two through holes, control the pneumatic gripper to clamp the raw material, and then start the drive motor. The lead screw rotates and cooperates with the first threaded sleeve to move the movable block to the right, and pinch the raw material to the right, facilitating the feeding of the cold heading machine.

[0010] Preferably, the limit and fixed-length assembly includes a slider, a second threaded sleeve, a stud, a knob, and a pressing block; a slider is slidably connected to the outside of the connecting frame, a second threaded sleeve is provided at the front end of the slider, a stud is in transmission connection inside the second threaded sleeve, a knob is installed at the front end of the stud, and a pressing block is connected to the rear end of the stud. The rear end of the pressing block abuts against the front side of the connecting frame. Before feeding the raw material, rotate the knob. The stud rotates and cooperates with the second threaded sleeve to drive the pressing block to move forward by the stud. At this time, the slider can be moved as needed, and then rotate the knob in the reverse direction to drive the pressing block to move backward by the stud, and the slider is fixed by the pressing block abutting against the connecting frame.

[0011] Preferably, the limit and fixed-length assembly includes a mounting arm, an inductive proximity switch, and a trigger block; a mounting arm is installed at the top of the rear end of the slider, an inductive proximity switch is embedded near the rear end of the mounting arm, and a trigger block is installed at the same height position as the inductive proximity switch on the upper end of the movable block. When the movable block feeds the raw material, the movable block drives the trigger block to move to the right. When the trigger block approaches the inductive proximity switch, the inductive proximity switch is triggered, the pneumatic gripper releases the raw material, the drive motor rotates in the reverse direction, the movable block moves to the left to the initial position, and then control the pneumatic gripper to clamp the raw material, which can realize fixed-length feeding and improve the flexibility and working efficiency of use.

[0012] Preferably, the cutting assembly includes a mounting frame and a cutting seat; a mounting frame is fixedly connected near the through hole on the right side of the mounting frame, and a cutting seat is provided at the lower end inside the mounting frame.

[0013] Preferably, the cutting assembly includes a hydraulic push rod, a movable plate, and a cutting knife; a hydraulic push rod is installed at the upper end inside the mounting frame, the lower end of the hydraulic push rod is connected to a movable plate, and a cutting knife is provided at the bottom of the movable plate. Control the hydraulic push rod to drive the movable plate and the cutting knife to press down, and the raw material can be cut by the cooperation of the cutting knife and the cutting seat.

[0014] The beneficial effects of the present utility model:

[0015] 1. By setting the pinch feed assembly and the limit and fixed-length assembly, the length can be preset according to actual processing needs, and fixed-length feeding can be realized, improving the flexibility and working efficiency of use, so as to solve the problem that the common cold heading machine feeding device lacks an adjustable fixed-length feeding structure, resulting in inconvenient fixed-length conveying of raw materials and the need to improve the flexibility and working efficiency of use.

[0016] 2. Before feeding the raw material, turn the knob. The stud rotates and cooperates with the second threaded sleeve, causing the stud to drive the pressing block forward. At this time, the slider can be moved as needed, and then turn the knob in the reverse direction to make the stud drive the pressing block backward. The slider is fixed by the pressing block abutting against the connecting frame. Control the pneumatic gripper to clamp the raw material, and then start the driving motor. The lead screw rotates and cooperates with the first threaded sleeve, causing the movable block to move to the right and clamp the raw material to the right, facilitating the feeding of the cold heading machine. When the movable block clamps the raw material, the movable block drives the trigger block to move to the right. When the trigger block approaches the inductive proximity switch, the inductive proximity switch is triggered, and the pneumatic gripper releases the raw material. The driving motor rotates in the reverse direction to make the movable block move to the left to the initial position, and then control the pneumatic gripper to clamp the raw material, which can achieve fixed-length feeding and improve the flexibility and working efficiency of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Shown is a three-dimensional structural schematic diagram of a fixed-length feeding device for a cold heading machine according to the present utility model;

[0018] Figure 2 Shown is a split structural schematic diagram of a fixed-length feeding device for a cold heading machine according to the present utility model;

[0019] Figure 3 Shown is a structural schematic diagram of a feeding and clamping assembly of a fixed-length feeding device for a cold heading machine according to the present utility model;

[0020] Figure 4 Shown is a structural schematic diagram of a limit and fixed-length assembly of a fixed-length feeding device for a cold heading machine according to the present utility model;

[0021] Figure 5 Shown is a structural schematic diagram of a cutting assembly of a fixed-length feeding device for a cold heading machine according to the present utility model.

[0022] In the figure: 1, base plate; 2, mounting frame; 3, through hole; 4, feeding and clamping assembly; 5, connecting frame; 6, limit and fixed-length assembly; 7, cutting assembly; 401, driving motor; 402, lead screw; 403, movable block; 404, first threaded sleeve; 405, pneumatic gripper; 601, slider; 602, second threaded sleeve; 603, stud; 604, knob; 605, pressing block; 606, mounting arm; 607, inductive proximity switch; 608, trigger block; 701, mounting frame; 702, cutting seat; 703, hydraulic push rod; 704, movable plate; 705, cutting knife. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0024] Please refer toFigure 1-2 , the present utility model provides an embodiment: a fixed-length feeding device for a cold heading machine, which includes a bottom plate 1. An installation frame 2 is installed on the top of the bottom plate 1. Through holes 3 are formed through the middle positions of the left and right ends of the installation frame 2. A pinch-feed assembly 4 is connected inside the upper end of the installation frame 2. A connection frame 5 is arranged on the front side of the upper end of the installation frame 2. A limit fixed-length assembly 6 is movably connected in the middle of the connection frame 5. A cutting assembly 7 is installed on the right side of the installation frame 2 near the through hole 3.

[0025] Please refer to Figure 3 , in this embodiment, the pinch-feed assembly 4 includes a driving motor 401 and a lead screw 402. The driving motor 401 is installed on the left side of the upper end of the installation frame 2. The right end of the driving motor 401 is connected to the lead screw 402. The right end of the lead screw 402 is connected to the right end inside the installation frame 2 through a bearing. The pinch-feed assembly 4 includes a movable block 403, a first threaded sleeve 404, and a pneumatic gripper 405. The movable block 403 is slidably connected inside the upper end of the installation frame 2. The first threaded sleeve 404 is installed in the middle position of the movable block 403. The lead screw 402 is in transmission connection with the first threaded sleeve 404. The pneumatic gripper 405 is installed at the bottom of the movable block 403. Pass the raw material through the two through holes 3, control the pneumatic gripper 405 to clamp the raw material, and then start the driving motor 401. The lead screw 402 rotates and cooperates with the first threaded sleeve 404 to move the movable block 403 to the right, and clamp and feed the raw material to the right, which is convenient for the feeding of the cold heading machine.

[0026] Please refer to Figure 4, in this embodiment, the limit and fixed-length component 6 includes a slider 601, a second threaded sleeve 602, a stud 603, a knob 604, and a pressing block 605; the slider 601 is slidably connected to the outside of the connecting frame 5, the front end of the slider 601 is provided with the second threaded sleeve 602, the inside of the second threaded sleeve 602 is drivingly connected with the stud 603, the front end of the stud 603 is installed with the knob 604, the rear end of the stud 603 is connected with the pressing block 605, and the rear end of the pressing block 605 abuts against the front side of the connecting frame 5. Before feeding the raw material, rotate the knob 604, the stud 603 rotates in cooperation with the second threaded sleeve 602, so that the stud 603 drives the pressing block 605 to move forward. At this time, the slider 601 can be moved as needed, and then rotate the knob 604 in the reverse direction, so that the stud 603 drives the pressing block 605 to move backward, and the slider 601 is fixed by the pressing block 605 abutting against the connecting frame 5. The limit and fixed-length component 6 includes a mounting arm 606, an inductive proximity switch 607, and a trigger block 608; the mounting arm 606 is installed on the top of the rear end of the slider 601, the inductive proximity switch 607 is embedded at a position close to the rear end of the mounting arm 606, and the trigger block 608 is installed at the same height as the inductive proximity switch 607 on the upper end of the movable block 403. When the movable block 403 feeds the raw material, the movable block 403 drives the trigger block 608 to move to the right. When the trigger block 608 approaches the inductive proximity switch 607, the inductive proximity switch 607 is triggered, the pneumatic gripper 405 releases the raw material, the drive motor 401 rotates in the reverse direction, so that the movable block 403 moves to the left to the initial position, and then controls the pneumatic gripper 405 to clamp the raw material, which can realize fixed-length feeding and improve the flexibility and working efficiency of use.

[0027] Please refer to Figure 5 , in this embodiment, the cutting component 7 includes a mounting frame 701 and a cutting seat 702; the mounting frame 701 is fixedly connected to the right side of the mounting bracket 2 near the through hole 3, and the cutting seat 702 is arranged at the lower end inside the mounting frame 701. The cutting component 7 includes a hydraulic push rod 703, a movable plate 704, and a cutting knife 705; the hydraulic push rod 703 is installed at the upper end inside the mounting frame 701, the lower end of the hydraulic push rod 703 is connected with the movable plate 704, and the cutting knife 705 is arranged at the bottom of the movable plate 704. Control the hydraulic push rod 703 to drive the movable plate 704 and the cutting knife 705 to press down, and the raw material can be cut through the cooperation of the cutting knife 705 and the cutting seat 702.

[0028] During operation, the raw material is passed through the two through holes 3, the knob 604 is turned, the stud 603 rotates and cooperates with the second threaded sleeve 602, so that the stud 603 drives the pressing block 605 to move forward, and the slider 601 can be moved as needed, and then the knob 604 is turned in the opposite direction, so that the stud 603 drives the pressing block 605 to move backward, and the slider 601 is fixed by the pressing block 605 abutting against the connecting frame 5, and the pneumatic clamp 405 is controlled to clamp the raw material, and then the driving motor 401 is started, and the screw rod 402 rotates and cooperates with the first threaded sleeve 404, so that the movable block 403 moves to the right, and the raw material is clamped and sent to the right. Regarding the feeding of the cold heading machine, when the movable block 403 clamps the raw material, the movable block 403 drives the trigger block 608 to move to the right. When the trigger block 608 is close to the inductive proximity switch 607, the inductive proximity switch 607 is triggered, and the pneumatic clamp 405 releases the raw material, and the drive motor 401 rotates in the opposite direction, so that the movable block 403 moves to the left to the initial position, and then the pneumatic clamp 405 is controlled to clamp the raw material, which can realize fixed-length feeding and improve the flexibility of use and work efficiency. The hydraulic push rod 703 is controlled to drive the movable plate 704 and the cutter 705 to press down, and the cutter 705 cooperates with the cutting seat 702 to cut the raw material.

[0029] Through the above steps, by setting the clamping component 4 and the limiting fixed-length component 6, the length can be preset according to the actual processing needs to achieve fixed-length feeding, improve the flexibility of use and work efficiency, so as to solve the problem that the common cold heading machine feeding device lacks an adjustable fixed-length feeding structure, which makes it inconvenient to achieve fixed-length transportation of raw materials, resulting in the problem that the flexibility of use and work efficiency need to be improved.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A fixed-length feeding device for a cold heading machine, comprising a bottom plate (1), characterized in that: A mounting frame (2) is mounted on the top of the bottom plate (1), a through hole (3) is provided in the middle of the left and right ends of the mounting frame (2), a clamping and feeding component (4) is connected to the inside of the upper end of the mounting frame (2), a connecting frame (5) is arranged on the front side of the upper end of the mounting frame (2), a limited position and fixed length component (6) is movably connected in the middle of the connecting frame (5), and a cutting component (7) is mounted on the right side of the mounting frame (2) near the through hole (3).

2. A fixed-length feeding device for a cold heading machine according to claim 1, characterized in that: The clamping and conveying assembly (4) comprises a driving motor (401) and a screw rod (402); the driving motor (401) is installed on the left side of the upper end of the mounting frame (2); the right end of the driving motor (401) is connected to the screw rod (402); and the right end of the screw rod (402) is connected to the right end inside the mounting frame (2) via a bearing.

3. A fixed-length feeding device for a cold heading machine according to claim 2, characterized in that: The clamping and conveying assembly (4) comprises a movable block (403), a first threaded sleeve (404), and a pneumatic clamp (405); the movable block (403) is slidably connected inside the upper end of the mounting frame (2), the first threaded sleeve (404) is installed in the middle of the movable block (403), the screw rod (402) is transmission-connected to the first threaded sleeve (404), and the pneumatic clamp (405) is installed at the bottom of the movable block (403).

4. A fixed-length feeding device for a cold heading machine according to claim 3, characterized in that: The position-limiting and length-fixing component (6) comprises a slider (601), a second threaded sleeve (602), a stud (603), a knob (604), and a pressure block (605); the slider (601) is slidably connected to the outside of the connection frame (5); the second threaded sleeve (602) is arranged at the front end of the slider (601); the stud (603) is transmission-connected inside the second threaded sleeve (602); the knob (604) is installed at the front end of the stud (603); the pressure block (605) is connected to the rear end of the stud (603); and the rear end of the pressure block (605) abuts against the front side of the connection frame (5).

5. A fixed-length feeding device for a cold heading machine according to claim 4, characterized in that: The position-limiting and length-fixing assembly (6) comprises a mounting arm (606), an inductive proximity switch (607), and a trigger block (608); the mounting arm (606) is mounted on the top of the rear end of the slider (601); the mounting arm (606) is embedded with the inductive proximity switch (607) near the rear end; and the trigger block (608) is mounted on the upper end of the movable block (403) at the same height as the inductive proximity switch (607).

6. A fixed-length feeding device for a cold heading machine according to claim 1, characterized in that: The cutting assembly (7) comprises a mounting frame (701) and a cutting seat (702); the mounting frame (701) is fixedly connected to the right side of the mounting frame (2) near the through hole (3), and the cutting seat (702) is arranged at the lower end of the mounting frame (701).

7. A fixed-length feeding device for a cold heading machine according to claim 6, characterized in that: The cutting assembly (7) comprises a hydraulic push rod (703), a movable plate (704), and a cutter (705); the hydraulic push rod (703) is installed at the upper end of the installation frame (701), the lower end of the hydraulic push rod (703) is connected to the movable plate (704), and the cutter (705) is arranged at the bottom of the movable plate (704).

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